Home / 9,227.20-13,840.80-8,133.70

Finding the Fourth Proportional to 9,227.20, 13,840.80 and 8,133.70

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Solution

The fourth proportional to 9,227.20, 13,840.80 and 8,133.70 is: 12,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.20 : 13,840.80 = 8,133.70 : x
  2. Step 2: Convert to fraction form
    9,227.20/13,840.80 = 8,133.70/x
  3. Step 3: Cross multiply
    9,227.20x = 13,840.80 × 8,133.70
  4. Step 4: Simplify right side
    9,227.20x = 112,576,914.96
  5. Step 5: Solve for x
    x = 112,576,914.96/9,227.20
  6. Step 6: Final answer
    x = 12,200.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.